CN101973439A - Separation explosion-proof device of industrial methanol vertical storage tank - Google Patents
Separation explosion-proof device of industrial methanol vertical storage tank Download PDFInfo
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- CN101973439A CN101973439A CN 201010503509 CN201010503509A CN101973439A CN 101973439 A CN101973439 A CN 101973439A CN 201010503509 CN201010503509 CN 201010503509 CN 201010503509 A CN201010503509 A CN 201010503509A CN 101973439 A CN101973439 A CN 101973439A
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Abstract
The invention discloses a separation explosion-proof device of an industrial methanol vertical storage tank, and relates to a safety explosion-proof storage tank which is formed by filling the separation explosion-proof device in the vertical storage tank. The separation explosion-proof device consists of a cylindrical supporting frame and a separation explosion-proof body, wherein the cylindrical supporting frame is a cylinder which is formed by enclosing a plurality of tube columns and a plurality of layers of circular members; an expanded metal is laid on each layer of circular member; both the space which is formed by enclosing every two layers of circular members in the cylindrical supporting frame and the space which is formed by enclosing the top of the cylindrical supporting frame and the upper part of the vertical storage tank are filled with the separation explosion-proof body; and the separation explosion-proof body is formed by the steps of manufacturing high-porosity netting by an austenitic stainless steel foil by using a net drawing mechanism and coiling the netting into the cylinder. Because the separation explosion-proof device is arranged in the vertical storage tank, namely safety protection of the separation explosion-proof body is formed in the storage tank, the combustion and the explosion of the methanol medium can be effectively prevented, safe production is realized, and state property and life safety of people are ensured.
Description
Technical field
What the present invention relates to is the Obstruct set for anti explosion of industrial methanol vertical storage tank, is to be filled with Obstruct set for anti explosion in the industrial methanol vertical storage tank specifically, makes it to become a kind of safety anti-explosive storage tank.
Background technology
In chemical industry, industrial methanol is a most basic a kind of Organic Chemicals, and it contains a methyl (CH3-) and a hydroxyl, and (OH), chemical nature is very active, and chemical reactions such as oxidation, esterification, carbonylation can take place, and purposes is widely arranged; Except that can be used as many organic good solvents, also can be used for preparing chemical products such as syntheticfibres, formaldehyde, plastics, agricultural chemicals, dyestuff.Methyl alcohol is also toxic, and there is anesthetic action in system to human central nervous, can cause generation penetrating property acidosis.The characteristic that what is more important, methyl alcohol have low-flash (being 8 ℃), easily fire, methanol vapor very easily form detonating gas with air-blending, and the explosive limits of this detonating gas is 6.0-36.5%, and one runs into naked light very easily causes burning and blast.In the scene of a fire, the methanol vapor that blast is produced is heavier than air, and can be diffused into place quite far away in the lower, and that causes is very harmful.People extremely pay close attention to the industrial methanol storage safe thus.Particularly in the chemical industrial park in Tian Yuan chemical plant, Chongqing, a 600m3 and two 75m3 industrial methanol vertical storage tanks are arranged, belong to dangerization product producing tract.It is engineered that municipal government requires to adopt as early as possible HAN obstruct explosion-proof technology to carry out, and realizes the safety of tank field.
Summary of the invention
The object of the invention is at the safety precaution that stores the industrial methanol vertical storage tank, proposes a kind of later-model Obstruct set for anti explosion in storage tank, realizes essential safety, does not explode.
A kind of Obstruct set for anti explosion of industrial methanol vertical storage tank, be provided with feed tube and drain pipe in the storage tank, tank wall is provided with magnetic board turning liquid level instrument, tank bottom is provided with unloads dirty pipe and valve, tank top be provided with unreactable gas (or nitrogen) into and out of the pipe and by-pass valve control, it is characterized in that being provided with Obstruct set for anti explosion in described storage tank, this Obstruct set for anti explosion comprises by the cylinder bracing frame and intercepts explosion-proof body.
Described cylinder bracing frame is the cylinder that is surrounded by several tube columns and multilayer annulus member.The tube column selection is Ф 40 X 4mm galvanized steel pipes, is provided with pallet in each tube column bottom, increases and a jar end area of contact with this, adds stiff stability.Multilayer annulus member is provided with 4 layers altogether, is divided into bottom, top layer and middle two-layer, and every layer of annulus member is the same center of circle.Each layer annulus member is by in outer toroid and the ring equilateral polygon being arranged and constituting by trombone slide.Outer toroid is by bending pipe machine galvanized pipe to be simmered into camber and is welded into annulus, and positive inner polygon is by galvanized pipe welding regular hexagon or octagon etc.Cylindrical endless tube, positive inner polygon pipe and cylindrical endless tube are connected trombone slide with positive internal polygon and are galvanized pipe, and the galvanized pipe selection is Ф 40 X 3mm galvanized steel pipes.Adopt a bowl type fastener to be connected at the connecting joint place of tube column and ring tube, the scaffold clasp of bonded assembly node place employing building engineering use is connected between cylindrical endless tube and the inner polygon pipe.
Described each be equipped with expanded metal lath above the annulus member, the expanded metal lath specification is elected 33 X60mm as, plate thickness is 4mm, expanded metal lath is connected with annulus member tube and tubular tie and adopts U-bolt to connect.
All be filled with in the space in the space that the every two-layer round member of described cylinder bracing frame surrounds and by surrounding of cylinder bracing frame top and vertical storage tank top and intercept explosion-proof body.Intercepting explosion-proof body is to be made high hole net sheet and be rolled into cylinder through net puller by the austenitic stainless steel foil.The selection of Ovshinsky corrosion-resistant steel is 1Cr18Ni9Ti or 00Cr18Ni10, and steel foil material thickness is 0.05-0.10mm, and the mesh that is made by the pull into the net sheet is shaped as hexagon, and the length of side is 6.0-8.0mm.
Described top layer annulus member is 1900mm apart from vertical storage tank arch vertex distance, and the distance of bottom annulus member and tank bottom is 400-500m, and the lower layer space of storage tank is the storage tank district that removes contamination thus.
Fouling product leaves the 10-20mm gap between described cylinder bracing frame and jar inwall, so that can flow down the district that removes contamination along the jar inwall.
Described inside edge at annulus member top layer and storage tank top manhole is provided with a simple and easy ladder, and the convenient construction personnel are upper and lower.
In the vertical storage tank of industrial methanol,, be that gas-phase space in the methyl alcohol storage tank is filled with unreactable gas (mostly use at present be nitrogen) traditionally in order to ensure the safety of methyl alcohol storage tank.But in case the condition of a fire appears in the vertical storage tank periphery, it will attack storage tank and cause very big threat, and the consequence that causes thus is hardly imaginable.The present invention is provided with Obstruct set for anti explosion in vertical storage tank, in its device, be filled with and intercept explosion-proof body, intercepting explosion-proof body is to be made of the netted explosion-proof lamp of high hole, it has obstruct, explosion-proof function, can prevent effectively that in a single day the industrial methanol medium from running into naked light and causing burning and blast, national wealth and people's life safety are guaranteed in the safety in production of realization storage tank, have great society and economic benefit.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the cutaway view of the A-A of Fig. 1;
Fig. 3 is the B partial enlarged drawing of Fig. 1;
Fig. 4 is the structure enlarged drawing of the explosion-proof body 9 of Fig. 1.
1, tank foundation, 2, blow-off pipe and valve, 3, magnetic board turning liquid level instrument, 4, feed tube, 5 (5 ') unreactable gas advances (going out) pipe, and 6, simple and easy ladder, 7, vertical storage tank, 8, cylinder bracing frame, 9, intercept explosion-proof body, 10, manhole, 11, drain pipe, 12, positive inner polygon, 13, tube column, 14, tubular tie, 15, the annulus member, 16, expanded metal lath, 17, go up the button bowl, 18 times button bowls, 19 auricles.
The specific embodiment
1,2,3 pair of concrete structure of the present invention embodiment explanation in addition in conjunction with the accompanying drawings;
Technical scheme of the present invention intercepts the engineered proposition of explosion-proof technology at industrial methanol vertical storage tank 7.Be provided with magnetic board turning liquid level instrument 3 at vertical storage tank 7 outer wall places, pot bottom is provided with and unloads dirty pipe 2 and valve.Be provided with the feed tube 4 and the drain pipe 11 of industrial methanol in jar, the nozzle position of feed tube 4 and drain pipe 11 be located at the jar remove contamination the district top, removing contamination in this jar load to intercept explosion-proof body in the district, be for make METHANOL MEDIUM into and out of smoothness, be convenient to clean-up operation simultaneously.Also being provided with unreactable gas at methyl alcohol storage tank 7 tops (considers from economic angle, mostly use at present and be nitrogen) into and out of pipe 5 (5 ') and by-pass valve control, also be provided with nitrogen storage gas tank and compressor (not showing in the accompanying drawing) near the tank field, air inlet pipe 5 is connected by the individual event by-pass valve control with storage tank with freeing pipe (5 ').This vertical storage tank is to fill unreactable gas (or nitrogen) in the gas-phase space on industrial methanol liquid level top, be used to keep METHANOL MEDIUM running condition (when promptly injecting or discharging), keep a jar internal pressure balance, stop methanol vapor and air-blending simultaneously and prevent burning and blast, it is (this countrmeasure is prior art, repeats no more) of closed state that this nitrogen uses.
The main points of patent of the present invention are to be provided with Obstruct set for anti explosion in vertical storage tank 7, and this device comprises by cylinder bracing frame 8 and intercepts explosion-proof body 9.The purpose that cylinder bracing frame 8 is set is to make the mesh distortion in order to make the explosion-proof body 9 of obstruct (or intercepting explosion-proof Web materials) that is filled in the vertical storage tank 7 avoid extruding, prevents the explosion prevention function forfeiture.Intercept explosion-proof body 9 and make high hole net sheet and be rolled into cylinder through net puller, owing to be to get the similar honeycomb type structure of being folded into mutually of net slice structure, realize intercepting, explosion-proof purpose by high hole for Ovshinsky corrosion-resistant steel foil.
Described cylinder bracing frame 8 is to surround cylinder by several tube columns 13 and multilayer annulus member 15.Column tubing is elected Ф 40 X 4mm galvanized steel pipes as, is provided with pallet in each tube column 13 bottom, increases and a jar end area of contact, adds stiff stability.Multilayer annulus member 15 is provided with 4 layers altogether, is respectively bottom top layer and middle two-layer, and every layer of annulus is the same center of circle.Each annulus member 15 is by in outer endless tube and the ring equilateral polygon 12 being arranged and constituting by tubular tie 14.Outer toroid is galvanized pipe to be simmered into circular arc type and be welded into an annulus by bending pipe machine, and positive inner polygon 12 is generally elected regular hexagon or octagon etc. as by galvanized pipe welding equilateral polygon.The bonded assembly tubular tie is galvanized pipe between cylindrical endless tube 15 and positive inner polygon pipe 12 and cylindrical endless tube 15 and the internal regular polygon 12, and zinc-plated tubing is elected Ф 40 X 3mm galvanized steel pipes as.Outer toroid structural pipe 15 and tube column 13 bonded assembly node places adopt a bowl type fastener to be connected (seeing for details shown in Figure 3), and the scaffold clasp of bonded assembly node place employing building engineering use is connected between cylindrical endless tube 15 and the internal regular polygon pipe 14.Bowl type fastener comprises by last to be buckled bowl 17 and buckles bowl 18 and both sides auricle 19 down, and bowl type fastener is suite (market) configuration.Here to need to prove, before tube column 13 and outer toroid member (pipe) 15 a usefulness bowl type fastener is connected, at first bowl type fastener both sides auricle 19 should be welded as a whole (in design plan with a plurality of circular arc pipeline sections of outer toroid member respectively, requirement should be less than the storage tank internal diameter by the diameter of the cylindrical member 15 that its a plurality of circular arc pipeline sections surround, make between itself and the tank wall 10-20mm gap arranged), otherwise will make troubles to construction.
For the junction of tube column 13 with annulus member 15 crossover nodes, the scaffold clasp that can adopt building engineering to use is assembled, and brings convenience to installation equally.For the large-scale vertical storage tank of cubic capacitys up to ten thousand, because tank diameter is bigger, ring tube member 15 can have galvanized steel pipe directly to surround equilateral polygon, simplifies construction greatly.
Be equipped with expanded metal lath 16 on every layer of annulus member 15, the expanded metal lath specification is elected 33 X 60mm as, and plate thickness is 4mm, and expanded metal lath all adopts U-bolt to be connected with zinc-plated cylindrical member and tubular tie, guarantees that the paving of expanded metal lath formation is smooth.
Be provided with a simple and easy ladder 6 at the manhole inner edge place on annulus member 15 top layers and vertical storage tank 7 tops, the convenient construction personnel are upper and lower, and in the construction of other circular ring structure aspect, the available active ladder is taken out after the completion.
Top layer annulus member 15 is 1900mm apart from vertical storage tank 7 arch vertex distances, and bottom annulus member 15 is 400-500mm with the distance of vertical storage tank 7 bottoms, and this space is the district that removes contamination of storage tank.
In the space that the every two-layer annulus member 15 of cylinder bracing frame 8 surrounds in the space and annulus member 15 tops and vertical storage tank 7 tops surround, all be filled with the explosion-proof body 9 of obstruct.Intercept explosion-proof body 9 and make high hole net sheet and be rolled into cylinder through net puller for Ovshinsky corrosion-resistant steel foil, this promptly by the net sheet of high hole be folded into similar honeycomb type structure mutually, have obstruct, explosion-resistance characteristic.Intercept explosion-proof body 9 and select for use austenitic stainless steel foil matter to choose 1Cr18Ni9Ti or 00Cr18Ni10 etc., steel foil thickness is chosen 0.05-0.10mm, makes the hexagon that is shaped as of high hole mesh through net puller, and the length of side is 6.0-8.0mm.
The purpose of selecting austenitic stainless steel foil matter for use mainly is to prevent the corrosion of industrial methanol to the metal explosion-proof lamp, makes the quality of its contaminated industry methyl alcohol.Because our company intercepts in the explosion-proof technology in research and development, in the measures for the prevention of explosion to light fuel (as gasoline, kerosene, diesel oil and autogas) medium, the metal explosion-proof lamp that is adopted mostly is aluminium alloy foil material.For the industrial methanol of certified products (as high-class product, Grade A or certified products), through learning it is mutually altogether to hold, can the aluminium Alloy Foil make block blast-proof materials with the corrosion resistance test of alloy aluminium foil.
(record its PH acidic value is between the 3.5-4.5 to the industrial methanol medium acidity that stores in the face of the 75m3 vertical storage tank in the chemical industrial park of Tian Yuan chemical plant, Chongqing greatly, be weak acid), can make block blast-proof materials with aluminum alloy foil material, will carry out corrosion resistance test.Test results shows that this methyl alcohol produces chemical reaction to aluminum alloy material, and it has the recessed corrosion in hole to the aluminium alloy foil material surface, and aluminium hydroxide (AL is arranged
2(OH)
3) resultant.Learn that thus this industrial methanol can not be used the alloy foil material and be processed into explosion-proof lamp.
For this reason, will seek another kind of metal material and substitute, and make block blast-proof materials through a kind of austenite stainless steel foil of exploration proposition and carry out corrosion resistance test.Learn from test results: the explosion-proof body 9 of obstruct of selecting for use the austenite stainless steel foil to make for this medium is feasible; Its reason is in its austenitic stainless steel material; " chromium " amount that contains is measured greater than 8% o'clock (being referred to as corrosion-resistant steel) with " nickel " greater than 12%; this stainless steel with the oxidisability etchant solution (as acid, alkali) in; promptly when electrochemical reaction; the purification membrane of the rich chromium of the very fast formation one deck in its surface; this " passivation layer " protection inner materials is not corroded, and it suppresses anode reaction effectively.
Intercepting explosion-proof technology is to have filled up to intercept explosion-proof body 9 in dangerization product medium storage tank.This explosion-proof body 9 is to be made the net schistose texture and be rolled into cylinder through net puller by the special alloy material.These high hole Web materials constitute similar cellular structure through folding mutually, and it is filled in the storage tank, can prevent accident burning and explosion accident that system of Himdu logic fire, static, welding, gunslinging, collision etc. cause effectively.
The mechanism that intercepts explosion-proof technology is: according to heat transfer theory and form the pacing factor of burning, blast, utilize the high hole of filling Web materials in the storage tank, stop the bamboo telegraph of flame and the abrupt release of energy; Utilize the surface effect of metallic material simultaneously, destroy the energy concentration of combustion medium and form the condition of exploding, stop burning and blast, realize essential safety.Intercept explosion-proof technology and successively carry out promotion and application, obtain good social benefit and economic benefit in the whole nation more than 20 province, city.
Patented technology scheme of the present invention is to intercept explosion-proof technology at the industrial methanol vertical storage tank in the chemical industrial park of Tian Yuan chemical plant, Chongqing to transform.The tank diameter of this 75m3 industrial methanol vertical storage tank 7 is 4.0m, highly is 6.43m, is that 8mm makes by steel plate thickness.Being provided with diameter in vertical storage tank 7 tank body upper and lower positions is 500mm manhole 10.During industrial methanol filling volume to 80%, total weight is 47.46 tons.Should meet " vertical storage tank Obstruct set for anti explosion specification " regulation requirement of " Shanghai City industry standards " (standard No. is Q/SGYG2-2010) to the obstruct explosion-proof technology of its storage tank 7 is engineered.The process of specifically implementing Obstruct set for anti explosion in vertical storage tank 7 is such:
1, foreign material clean and test wall thickness in the at first vertical storage tank 7;
2, according to the requirement of construction technology, overlap cylinder bracing frame 8 in vertical storage tank 7, be overlapped to form low layer cylindrical member 15 apart from a jar end 500mm place, this space is the district that removes contamination of storage tank.And progressively overlap the second layer, the 3rd layer, up to distance vertical storage tank 7 arch vertex distance 1900mm places overlap joint top layer cylindrical member 15.Require each pipe node place of cylinder bracing frame 8 to be connected firmly, keep cylinder bracing frame 8 centers to overlap, and keep the 10-20mm gap with the vertical storage tank inwall with the vertical storage tank center.
3, according to the block blast-proof materials that proposes in the design plan leave a blank rate and packed density requirement, upper and lower two manholes 10 by vertical storage tank 7 will intercept explosion-proof body 9 layerings filling, and filling is progressively carried out from bottom to top, till the space in the storage tank is filled up.Require the explosion-proof body 9 of obstruct of each layer to pile up neatly, breakage must not occur or subside attention ventilation at any time in the construction, guarantee construction workman's safety.
For the quality that guarantees that industrial methanol uses, intercept explosion-proof body 9 fillings and will clean it before, clean the method for selecting ultrasonic cleaning for use, be used to remove surperficial oil slick mark and aluminium bits; In order to prevent that the purging medium raffinate in the cleaning solution is attached to material surface, also the explosion-proof body 9 of obstruct to be put into and carry out rinsing in the cleaning vat pond, dry the water mark of removing material surface, the place in operation of can packing with drying tube at last.
In construction, for the liquid inlet and outlet mouth of pipe that is provided with in the storage tank, sewage draining exit, the technology mouth of pipe etc., all protect as the case may be with guard, prevent that foreign material from stopping up.
4, behind last whole engineered the finishing, carry out oil-filled test (this oil-filled medium is an industrial methanol solution), with the sedimentation degree of observation tank foundation.
The tank foundation settlement observation should meet the following requirements:
(1) before oil-filled, oil-filled in, the oil-filled stage such as finishing, should meet GB 50128-2005 standard code.
(2) lower circumference of tank skin is established a fixed point every about 10m outside vertical storage tank, counts to be preferably 4 integral multiple, and must not be less than 4 points.
(3) oil-filled test is carried out settlement observation to basic pointwise on request, and the sedimentation sight value on measured basis will meet its specified value.
Claims (10)
1. the Obstruct set for anti explosion of industrial methanol vertical storage tank, in storage tank, be provided with feed tube and drain pipe, tank wall is provided with magnetic board turning liquid level instrument, pot bottom is provided with and unloads dirty pipe and valve, tank top be provided with unreactable gas or nitrogen into and out of the pipe and by-pass valve control, it is characterized in that being provided with Obstruct set for anti explosion in described storage tank, this device comprises by the cylinder bracing frame and intercepts explosion-proof body;
Described cylinder bracing frame is the cylinder that is surrounded by several tube columns and multilayer annulus member, and each tube column bottom is provided with pallet, increases and the jar area of contact at the end with this, adds stiff stability; Multilayer annulus member is provided with 4 layers altogether, is respectively bottom, top layer and middle two-layer, and every layer of annulus member is the same center of circle; Every circular ring structure spare is by in outer toroid and the ring equilateral polygon being arranged and constituting by tubular tie; Outer toroid is by bending pipe machine galvanized pipe to be simmered into camber and is welded into annulus, internal regular polygon is welded as interior regular hexagon by galvanized pipe, adopt a bowl type fastener to be connected at the connecting joint place of tube column and annulus member, the scaffold clasp of the tubular tie node place employing building engineering use between cylindrical endless tube and the inner polygon pipe is connected;
Be equipped with expanded metal lath above described every layer of annulus member, expanded metal lath is connected the employing U-bolt and connects with annulus member tube and tubular tie;
Described every two-layer round member in the cylinder bracing frame surrounds space and cylinder bracing frame top and vertical storage tank top and surrounds all to be filled with in the space and intercept explosion-proof body, and intercepting explosion-proof body is to be made high hole net sheet and be rolled into cylinder through net puller by the austenitic stainless steel foil.
2. the Obstruct set for anti explosion of industrial methanol vertical storage tank according to claim 1 is characterized in that described tube column selection is Ф 40 X 4mm galvanized steel pipes.
3. the Obstruct set for anti explosion of industrial methanol vertical storage tank according to claim 1, it is characterized in that described cylindrical endless tube, internal regular polygon pipe with and be galvanized pipe with the trombone slide that is connected of internal regular polygon, the galvanized pipe selection is Ф 40 X 3mm galvanized steel pipes.
4. the Obstruct set for anti explosion of industrial methanol vertical storage tank according to claim 1 is characterized in that described expanded metal lath specification elects 33 X 60mm as, and plate thickness is 4mm.
5. the Obstruct set for anti explosion of industrial methanol vertical storage tank according to claim 1 is characterized in that described annulus member inner polygon is interior octagon.
6. the Obstruct set for anti explosion of industrial methanol vertical storage tank according to claim 1, the distance that it is characterized in that described bottom annulus member and tank bottom is 400-500m, this space is the storage tank district that removes contamination.
7. the Obstruct set for anti explosion of industrial methanol vertical storage tank according to claim 1 is characterized in that the explosion-proof body material of described obstruct is Ovshinsky corrosion-resistant steel selection 1Cr18Ni9Ti or 00Cr18Ni10, and paper tinsel thickness is 0.05-0.10mm.
8. according to the Obstruct set for anti explosion of claim 1 or 7 described industrial methanol vertical storage tanks, it is characterized in that the mesh that described austenite stainless steel foil is made through net puller is shaped as hexagon, the length of side is 6.0-8.0mm.
9. the Obstruct set for anti explosion of industrial methanol vertical storage tank according to claim 1 is characterized in that leaving the 10-20mm gap between described cylinder bracing frame and jar inwall, so that fouling product can flow down the district that removes contamination along the jar inwall.
10. the Obstruct set for anti explosion of industrial methanol vertical storage tank according to claim 1 is characterized in that described top layer annulus member and storage tank top manhole inside edge are provided with a simple and easy ladder, and the convenient construction personnel are upper and lower.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010503509A CN101973439B (en) | 2010-10-12 | 2010-10-12 | Separation explosion-proof device of industrial methanol vertical storage tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010503509A CN101973439B (en) | 2010-10-12 | 2010-10-12 | Separation explosion-proof device of industrial methanol vertical storage tank |
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| CN101973439A true CN101973439A (en) | 2011-02-16 |
| CN101973439B CN101973439B (en) | 2012-09-19 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303609A (en) * | 2013-06-29 | 2013-09-18 | 深圳市深通石化工程设备有限公司 | Dual-explosion-proof skid-mounted refueling device |
| CN105564859A (en) * | 2016-02-19 | 2016-05-11 | 江苏本安环保科技有限公司 | Blocked explosion-proof large storage tank |
| CN106315064A (en) * | 2016-09-23 | 2017-01-11 | 江苏中顶环保设备科技有限公司 | Isolation explosion protection system for oil tank and installing technology and application of isolation explosion protection system |
| CN110775465A (en) * | 2019-11-03 | 2020-02-11 | 叶永兴 | Alcohol group environmental protection raw materials uses jar safely |
| CN113978950A (en) * | 2020-07-27 | 2022-01-28 | 吉林省富宁石油装备工程有限公司 | Closed type blocking explosion-proof device for inflammable and explosive liquid storage tank |
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| FR2797652A1 (en) * | 1999-08-20 | 2001-02-23 | Jean Ertauran | Method of limiting powder explosion in storage cell involves providing rupture lines in lid to deflect explosion upwardly |
| CN2471727Y (en) * | 2001-02-18 | 2002-01-16 | 汪洋 | Explosionproof container |
| CN2652884Y (en) * | 2003-09-17 | 2004-11-03 | 吉林江北机械制造有限责任公司特种装备所 | Anti-explosion storage and transport pot for explosive |
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| FR2797652A1 (en) * | 1999-08-20 | 2001-02-23 | Jean Ertauran | Method of limiting powder explosion in storage cell involves providing rupture lines in lid to deflect explosion upwardly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103303609A (en) * | 2013-06-29 | 2013-09-18 | 深圳市深通石化工程设备有限公司 | Dual-explosion-proof skid-mounted refueling device |
| CN105564859A (en) * | 2016-02-19 | 2016-05-11 | 江苏本安环保科技有限公司 | Blocked explosion-proof large storage tank |
| CN106315064A (en) * | 2016-09-23 | 2017-01-11 | 江苏中顶环保设备科技有限公司 | Isolation explosion protection system for oil tank and installing technology and application of isolation explosion protection system |
| CN110775465A (en) * | 2019-11-03 | 2020-02-11 | 叶永兴 | Alcohol group environmental protection raw materials uses jar safely |
| CN113978950A (en) * | 2020-07-27 | 2022-01-28 | 吉林省富宁石油装备工程有限公司 | Closed type blocking explosion-proof device for inflammable and explosive liquid storage tank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101973439B (en) | 2012-09-19 |
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